Home / 4,748.79-7,123.76-1,977.33

Finding the Fourth Proportional to 4,748.79, 7,123.76 and 1,977.33

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Solution

The fourth proportional to 4,748.79, 7,123.76 and 1,977.33 is: 2,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.79 : 7,123.76 = 1,977.33 : x
  2. Step 2: Convert to fraction form
    4,748.79/7,123.76 = 1,977.33/x
  3. Step 3: Cross multiply
    4,748.79x = 7,123.76 × 1,977.33
  4. Step 4: Simplify right side
    4,748.79x = 14,086,014.47
  5. Step 5: Solve for x
    x = 14,086,014.47/4,748.79
  6. Step 6: Final answer
    x = 2,966.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.